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Investor Sentiments

  • Sergei Izmalkov


    (New Economic School)

  • Muhamet Yildiz



We consider a general class of games that have been used to model many economic problems where players' sentiments are believed to play an important role. Dropping the common-prior assumption, we identify the relevant notion of sentiments for strategic behavior in these games. This notion is tied to how likely a player thinks that some other player has a more optimistic outlook than himself when they obtain their private information. Under this notion, we show that sentiments have a profound effect on strategic outcomes - even with vanishing uncertainty.

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Paper provided by Center for Economic and Financial Research (CEFIR) in its series Working Papers with number w0138.

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Length: 19 pages
Date of creation: Feb 2009
Date of revision:
Handle: RePEc:cfr:cefirw:w0138
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  1. Morris, S & Song Shin, H, 1996. "Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks," Economics Papers 126, Economics Group, Nuffield College, University of Oxford.
  2. Muhamet Yildiz, 2005. "Wishful Thinking in Strategic Environments," NajEcon Working Paper Reviews 666156000000000598,
  3. Van Zandt, Timothy & Vives, Xavier, 2007. "Monotone equilibria in Bayesian games of strategic complementarities," Journal of Economic Theory, Elsevier, vol. 134(1), pages 339-360, May.
  4. Stephen Morris, . ""Speculative Investor Behavior and Learning''," CARESS Working Papres 95-13, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.
  5. Jonathan Weinstein & Muhamet Yildiz, 2007. "A Structure Theorem for Rationalizability with Application to Robust Predictions of Refinements," Econometrica, Econometric Society, vol. 75(2), pages 365-400, 03.
  6. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December.
  7. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September.
  8. Eddie Dekel & Drew Fudenberg & David K. Levine, 2000. "Learning to Play Bayesian Games," Discussion Papers 1322, Northwestern University, Center for Mathematical Studies in Economics and Management Science, revised Jul 2001.
  9. Frankel, David M. & Morris, Stephen & Pauzner, Ady, 2003. "Equilibrium selection in global games with strategic complementarities," Journal of Economic Theory, Elsevier, vol. 108(1), pages 1-44, January.
  10. J. Michael Harrison & David M. Kreps, 1978. "Speculative Investor Behavior in a Stock Market with Heterogeneous Expectations," The Quarterly Journal of Economics, Oxford University Press, vol. 92(2), pages 323-336.
  11. Olga Shurchkov, 2013. "Coordination and learning in dynamic global games: experimental evidence," Experimental Economics, Springer, vol. 16(3), pages 313-334, September.
  12. Steiner, Jakub & Stewart, Colin, 2008. "Contagion through learning," Theoretical Economics, Econometric Society, vol. 3(4), December.
  13. Ivan Werning & George-Marios Angeletos, 2005. "Crises and Prices: Information Aggregation, Multiplicity and Volatility," 2005 Meeting Papers 284, Society for Economic Dynamics.
  14. Muhamet Yildiz, 2003. "Bargaining without a Common Prior-An Immediate Agreement Theorem," Econometrica, Econometric Society, vol. 71(3), pages 793-811, 05.
  15. Abhijit Banerjee & Rohini Somanathan, 2001. "A Simple Model of Voice," The Quarterly Journal of Economics, Oxford University Press, vol. 116(1), pages 189-227.
  16. Frank Heinemann & Rosemarie Nagel & Peter Ockenfels, 2004. "The Theory of Global Games on Test: Experimental Analysis of Coordination Games with Public and Private Information," Econometrica, Econometric Society, vol. 72(5), pages 1583-1599, 09.
  17. Simon Gervais & Itay Goldstein, 2007. "The Positive Effects of Biased Self-Perceptions in Firms," Review of Finance, European Finance Association, vol. 11(3), pages 453-496.
  18. Eric Van den Steen, 2005. "Organizational Beliefs and Managerial Vision," Journal of Law, Economics and Organization, Oxford University Press, vol. 21(1), pages 256-283, April.
  19. Milgrom, Paul & Roberts, John, 1990. "Rationalizability, Learning, and Equilibrium in Games with Strategic Complementarities," Econometrica, Econometric Society, vol. 58(6), pages 1255-77, November.
  20. Stephen Morris & Hyun Song Shin, 2007. "Common Belief Foundations of Global Games," Levine's Bibliography 122247000000001638, UCLA Department of Economics.
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